// SPDX-FileCopyrightText: syuilo and other misskey contributors // // SPDX-License-Identifier: AGPL-3.0-only import * as assert from 'assert'; import { just, nothing } from '../../src/misc/prelude/maybe.js'; describe('just', () => { test('has a value', () => { assert.deepStrictEqual(just(3).isJust(), true); }); test('has the inverse called get', () => { assert.deepStrictEqual(just(3).get(), 3); }); }); describe('nothing', () => { test('has no value', () => { assert.deepStrictEqual(nothing().isJust(), false); }); });